| 000 | 00387nab a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 230101s1981 xx 000 0 eng d | ||
| 100 | _aGeison, Gerald L. | ||
| 245 | 0 | _aScientific change, emerging specialties, and research schools | |
| 250 | _aVol. 19 Issue 1 | ||
| 260 | _c1981 | ||
| 300 | _a20-40p | ||
| 310 | _aQuaterly | ||
| 773 |
_tHistory of Science _051494 |
||
| 942 |
_2ddc _cAR |
||
| 999 |
_c82250 _d82250 |
||